Chat with Everybody Loves Raymond star Patricia Heaton, who also has appeared in Someone Like Me, Women of the House and thirtysomething, 7 p.m.

Chat with Christy Swanson, who stars in the new CBS series Grapevine. She plays Susan, a character whose life is complete when she is fixing up, meddling in or commenting on her friends' relationships, 9 p.m.

WORLD WIDE WEB:

If you're suffering from allergies, PMS or migraines, chat with nurse Ellen Kamhi about the possibility of relief from herbs or supplements, 4 p.m., at www.thehealth network.com

Chat with S.O.D., a no-holds-barred metal band, about their new album, Bigger Than the Devil, 8 p.m., at www.guitar.com